Reproductive Biology of Pseudonereis anomala (Nereidae: Polychaeta) from The Barge Canal, Damietta, Egypt | ||||
| Delta Journal of Science | ||||
| Article 4, Volume 36, Issue 3, December 2013, Page 149-152 PDF (912.27 K) | ||||
| Document Type: Research and Reference | ||||
| DOI: 10.21608/djs.2013.139672 | ||||
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| Authors | ||||
| Fadia N. Heiba1; Ola A. Abou Samak2; Ahmed E. El-Ghobashy2; Ahmad M. Al-Zeny2 | ||||
| 1Tanta University, Zoology department | ||||
| 2Damietta University, Zoology department | ||||
| Abstract | ||||
| The Polychaete Pseudonereis anomala Gravier, 1902 had been recorded firstly in the Barge Canal. From all 792 collected individuals the sex ratio was 1.6 male: 1 female. Pseudonereis anomala has two spawning seasons, the first was reported in early spring (March and April) and the second in late summer and early autumn (August and late September) at water temperature (19-30 ºC).The mature oocytes diameter ranged between 170 to 207.9 μm. | ||||
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